單項(xiàng)選擇題

Which of the following commands scans and verifies system protected files?（）

A.VERIFY
B.SFC
C.CHKDSK
D.CHKNTFS

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單項(xiàng)選擇題

Which of the following tools should Mike, a technician, use when testing a serial port?（）

A. Cable tester
B. Multimeter
C. Loopback plug
D. Logic probe

單項(xiàng)選擇題

A user would like to use an external monitor with their laptop, but when the monitor is plugged in and connected to the laptop, the screen does not display on the monitor. Which of the following is the BEST way to display an image on both the monitor and the laptop?（）

A. Change resolution on laptop
B. Toggle FN key and external monitor key
C. Try a different monitor type
D. Try using a different monitor cable